use std::fmt::{Display, Formatter, Result}; #[derive(Debug)] pub enum Error { Decode(std::string::FromUtf8Error), Protocol, } impl Display for Error { fn fmt(&self, f: &mut Formatter) -> Result { match self { Self::Decode(e) => { write!(f, "Decode error: {e}") } Self::Protocol => { write!(f, "Protocol error") } } } }